Bearing assembly for use with a rotating machining device

A rotating machining device (100) includes a segmented support housing (102) arranged to be mounted on a work piece and a segmented headstock (104) mounted on the support housing (102) and rotatable relative to the support housing (102) about an axis (128). At least one bearing assembly (158) is dis...

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Bibliographische Detailangaben
Hauptverfasser:	WALTON, JOEL, HOANG, VINH
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING BORING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT COMBINED OPERATIONS DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING TURNING UNIVERSAL MACHINE TOOLS WEAPONS
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Beschreibung
Zusammenfassung:	A rotating machining device (100) includes a segmented support housing (102) arranged to be mounted on a work piece and a segmented headstock (104) mounted on the support housing (102) and rotatable relative to the support housing (102) about an axis (128). At least one bearing assembly (158) is disposed between the headstock (104) and the support housing (102). The at least one bearing assembly (158) includes a first race (162) having a first set of bearing elements (166) arranged to dynamically contact a first portion (133) of the headstock (104) and reciprocate within the bearing assembly (158) in a first direction. The at least one bearing assembly (158) also includes a second race (164) having a second set of bearing elements (168) arranged to dynamically contact a second portion (125) of the headstock (104) and recirculate within the bearing assembly (158) in a second direction opposite the first direction so as to promote distribution of a load applied to the bearing assembly (158).